Activity objectives:

1. Try to sort the flowers of two colors according to certain rules, and preliminarily master the different sorting rules and methods of the two items.

2. Feel all kinds of interesting sorting phenomena and experience the application of sorting in life.

3. Cultivate children's comparative judgment ability.

4. Guide children to actively interact with materials and experience the fun of mathematics activities.

5. Develop children's logical thinking ability.

Activity preparation:

1. Everyone has a mirror, a folded napkin and a marker. Signs of different combinations of the two mirrors are posted on the display board.

2, a number of corollas.

Activity flow:

Learning sorting

(1) Description: What's on the table, children? Please find this ruby as a starting point and let these small flowers line up regularly on it. Children's postoperative communication: how do you arrange it?

(2) Please redesign the lace, preferably different from others. After the homework, the children showed the arrangement methods one by one and concluded that there are so many different arrangements for two kinds of flowers. Instruction: Son, you are great! Please let Xiaohua go back to the small basket and have a rest.